How a massive wall in Antarctica could hold back sea-level rise
Glaciers are mighty rivers of ice that can carry boulders on their backs and grind valleys into rugged mountain ranges.
via FOX NEWS https://ift.tt/2Qip04c
How a massive wall in Antarctica could hold back sea-level rise
Glaciers are mighty rivers of ice that can carry boulders on their backs and grind valleys into rugged mountain ranges.
via FOX NEWS https://ift.tt/2Qip04c
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